Diseases of a sweet gum tree ( Liquidambar styraciflua ) make out in many physique , with the majority as fungous infection . Depending on the disease , a sweet gum tree diagram may be touch on a cosmetic level or may be in peril of death . understand different diseases , their symptoms , and how to forbid and manage them will provide a fleck of ataraxis of mind . Also , many sweet chewing gum tree diagram diseases only come about on weakened or wounded tree ; practice appropriate maintenance .

Cercospora

Cercospora is the most common of the many disease of a angelic gum tree , concord to the Florida Department of Agriculture and Consumer Services . Cercospora is a fungous spot disease that farm dark brown , bordered , angulate to round spots 2 to 10 mm in diam on both side of leafage . Cercospora may cause folio drop and diminished vigor but does not pose a great threat to sweet gumwood trees . To ensure this disease , remove and demolish all infect strike leaves , and apply a systemic fungicide called benomyl immediately once symptom are seeable .

Artist’s Conk

Artist ’s conk ( Ganoderma applanatum ) is a fungal disease of a sweet gum Sir Herbert Beerbohm Tree that get wood molder , according to the University of California IPM Online . Artist ’s conk infects trees by put down through wounds . White rot occurs in roots and tree trunk . The fungus displays semicircular conk ( mushroom - corresponding growths ) that mensurate 2 to 30 inches wide and 1 to 8 inch thick with a brown - hued upper surface and white to a lower place . Though conks seem near the base of the tree , dilapidate wood may spread up to 15 ft above and below the conk . This eccentric of fungous infection causes grievous arm and body decomposition , sometimes with the more significant harm hidden within the tree diagram . Decay may lead to a falling hazard . Control of artist ’s conk is challenging ; Keep the tree diagram vigorous and protect it from trauma . Remove visibly diseased limb by dress " just outside the subdivision barque rooftree and outgrowth collar , " as urge by the University of California IPM Online . antifungal agent are not commend .

Botryosphaeria Canker

Botryosphaeria canker ( Botryosphaeria dothidea ) is a fungous disease of sweet gum tree trees . broadly speaking attacking weakened or wounded mellifluous gum trees , botryosphaeria kill bark and display areas of deadened tissue paper referred to as " pestilence . " Several cankers take form on the bark of unfermented gum tree tree resulting in wound that may become sunken with roughened bark that uncase from the tree . Botryosphaeria pestilence may cause limb dieback , decorative hurt and even the death of the tree . Keep your tree vigorous , as healthy Sir Herbert Beerbohm Tree are resistant to canker disease . outgrowth with cankers should be pruned while the weather is dry . Prune branches back 6 to 8 inches below the infected bark . Remove and destroy any fallen leaves or branches . Fungicides are not an effective treatment , but Rutgers University suggests contacting a local county extension position for professional assistance .

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